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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1040Spark Plasma Sintering of Mechanically Activated...

Spark Plasma Sintering of Mechanically Activated Ni and Al Powders

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Abstract:

In this paper structure and mechanical properties of Ni₃Al intermetallic compound was studied. The materials was fabricated according to different schemes, which combined mechanical alloying of Ni and Al powders, self-propagating high temperature synthesis (SHS) and spark plasma sintering (SPS). Relative density of all sintered samples was ~ 97 %. Microhardness of the sintered materials ranged from 6100 to 6300 MPa. SPS of 86.71 % wt. Ni and 13.29 % wt. Ni powder at 1100 °C led to formation of material with the highest level of tensile strength equal to 400 MPa.

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Periodical:

Advanced Materials Research (Volume 1040)

Pages:

772-777

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1040.772

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Online since:

September 2014

Authors:

Lilia I. Shevtsova*, Michail A. Korchagin, Alexander Thömmes, Vyacheslav I. Mali, Alexander G. Anisimov, Sergey Yu. Nagavkin

Keywords:

Intermetallic, Mechanical Alloying, Nickel Aluminide, Spark Plasma Sintering (SPS)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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